期刊
MECHANICS RESEARCH COMMUNICATIONS
卷 29, 期 6, 页码 477-483出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0093-6413(02)00294-X
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This paper describes a material model, in which the materials under consideration grow up in a particular direction while re-organizing themselves to the surroundings. The structural reorganization is modeled as the rearrangement of anisotropy. Two models are proposed; one is that the anisotropic vector is embedded just as in fiber-reinforced materials, and the other is that the vector behaves like a float. In order to apply the present model to boundary-value problems, a three-dimensional finite element formulation is obtained with reference to the total-Lagrangian approach. Here we evaluate the performance of the model in terms of anisotropic growth; (a) adaptation behavior of a quasi-isotropy in the initial state, and (b) monotonic growth in helical direction. (C) 2002 Elsevier Science Ltd. All rights reserved.
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